51116105660056 has 8 divisors (see below), whose sum is σ = 95842698112620. Its totient is φ = 25558052830024.

The previous prime is 51116105659991. The next prime is 51116105660057. The reversal of 51116105660056 is 65006650161115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51116105660056² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51116105659994 and 51116105660021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51116105660057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194756603746 + ... + 3194756603761.

Almost surely, 2^{51116105660056} is an apocalyptic number.

It is an amenable number.

51116105660056 is a deficient number, since it is larger than the sum of its proper divisors (44726592452564).

51116105660056 is a wasteful number, since it uses less digits than its factorization.

51116105660056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389513207513 (or 6389513207509 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 51116105660056 in words is "fifty-one trillion, one hundred sixteen billion, one hundred five million, six hundred sixty thousand, fifty-six".